It is a multirole long-range fighter for all-weather, air-to-air and air-to-surface deep interdiction missions.

The Frigate entered into serial production as the Su-55S for the Russian Air Force

The Su-53 is a development project from IFX-35A Cygnus (under licence from Sentry Aerospace and Messerschmitt-Bölkow-Blohm), custom design for Russian Air Force. It's only differences, different style of Cockpit Canopy, nose gear, and all Russian languages of its avionic instruments and AI computer system. Its flight and combat performances is similar to its twin sister, the IFX-35A Cygnus.